Question about Mitsubishi WD-52525 52" Rear Projection HDTV

4 Answers

Whats with my tv?

Hey I have a 52 inch Mitsubishi DLP one day it just decided to just show a screen of little tiny black and white checkers,the sound comes on and for what I can tell the remote works, I have changed inputs, but still the same thing, I even tried resetting the whole tv do you have any idea what could be causing this?

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  • xx007xx Sep 02, 2008

    I get the cheker board screen and got talking on a tech forum and most of the
    problems folks are having with them are due to faulty Capacitors, I
    dissassembled the whole tv and found two swollen out Caps on the
    formatting board and the power supply, I am ordering the Caps and also
    I came across a symptom and cure ilustration with a picture(see
    attached) of what to check, of the four things that I checked visually
    two teenee tiny diodes looked like they were fried, it is like they
    barfed some dark brown stuff out, I am in the process of ordering those
    parts too I know that the D8F00 and the D8F01 are diodes, but I dont know what the other two are and if they have a certain way that they are soldered in(is there a certain direction such as pos and neg)
    I have nevered soldered tiney things like this but I am sure that I can if I get a microsoldering tip and watch my heat carefully as I solder




  • jimhubbard10 Apr 02, 2009

    I also have chekerboard screen on wd-52525. How do I order parts , diodes and caps suggest by Big Irish with such little part description. I'm assuming the part numbers listed are Mitsubishi PN's. I cannot find any cross listings on these to order from , say, B & D Enterprises. Can anyone help??

    Thanks,

    Jim Hubbard

    jimhubbard100@gmail.com

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I have the same problem, if you still have the problem try to check the signal board too it to can cause the checker block on the screen..ps cal pts corp they said to repair th fmt board is 154.27, the signal board is 227.85, but pts corp said it is best to send all the boards for 309.50......

Posted on Sep 23, 2008

Oooops I posted as a guest.....sorry

Posted on Sep 23, 2008

Hey those silly diodes and caps were WAY too tiny, I just went ahead and sent the whole board in and am in the process of changing out other capacitor diodes on the power supply that are starting to look like they are bloating out as well, those large capacitors I can handle soldering but those tiny diodes and Caps look like a pain in the but to replace and best left to the professionals.......thanks, James

Posted on Sep 23, 2008

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Good Day;

Replace all caps that are swollen, but resolve your checker pattern:

1. Tile or block pattern replace D8F00 and D8F01 part # 264P828010, also replace C8F26 and C8F29 part # 141P148000 (1 uFD, 25 V) on the FMT PCB (part # 930B924002).

The diodes have a stripe (line) that is the cathode, at one end of the device, the board will reflect that line. Good Luck, big IRISH. PS ; De solder as best as you can, glue is under part, heat one end, while prying up, heat other end. It will come off with moderate to mid high heat.

Posted on Sep 23, 2008

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